MCP23S17T-E/SO Microchip Technology, MCP23S17T-E/SO Datasheet - Page 4

• Manufacturer Part Number: MCP23S17T-E/SO
• Description: IC I/O EXPANDER SPI 16B 28SOIC
• Manufacturer: Microchip Technology

Specifications of MCP23S17T-E/SO

• Interface: SPI
• Number Of I /o: 16
• Interrupt Output: Yes
• Frequency - Clock: 10MHz
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Chip Configuration: 16 Bit
• Bus Frequency: 10MHz
• Ic Interface Type: Serial, SPI
• No. Of I/o's: 16
• Supply Voltage Range: 4.5V To 5.5V
• Digital Ic Case Style: SOIC
• No. Of Pins: 28
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MCP23X17EV - BOARD EVAL FOR MCP23X17GPIODM-KPLCD - BOARD DEMO LCD GPIO EXP KEYPAD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

MCP23017/MCP23S17
1.1
TABLE 1-1:
DS21952B-page 4
GPB0
GPB1
GPB2
GPB3
GPB4
GPB5
GPB6
GPB7
V
V
NC/CS
SCL/SCK
SDA/SI
NC/SO
A0
A1
A2
RESET
INTB
INTA
GPA0
GPA1
GPA2
GPA3
GPA4
GPA5
GPA6
GPA7
DD
SS
Name
Pin
Pin Descriptions
SOIC/
SSOP
PDIP/
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
11
1
2
3
4
5
6
7
8
9
PINOUT DESCRIPTION
QFN
25
26
27
28
10
12
13
14
16
11
15
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
P
P
I
I
I
I
I
I
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Power
Ground
NC (MCP23017), Chip Select (MCP23S17)
Serial clock input
Serial data I/O (MCP23017), Serial data input (MCP23S17)
NC (MCP23017), Serial data out (MCP23S17)
Hardware address pin. Must be externally biased.
Hardware address pin. Must be externally biased.
Hardware address pin. Must be externally biased.
Hardware reset. Must be externally biased.
Interrupt output for PORTB. Can be configured as active-high, active-low or open-drain.
Interrupt output for PORTA. Can be configured as active-high, active-low or open-drain.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Bidirectional I/O pin. Can be enabled for interrupt-on-change and/or internal weak pull-up
resistor.
Function
© 2007 Microchip Technology Inc.